1. Pull out the gum cover of the
regulator.
2. Loosen the fixing nut.
3. Screw in or screw out the
regulator till the free travel
meets the specification.
4. Lock the fixing nut.
5. Replace the gum cover of the regulator.
Gum cover of the regulator
Adjustment of valve clearance
After a certain period of use, the valve clearance will
get larger, and this will cause the poor supply of the
mixed gas and noises of the engine. Valve clearance
must be adjusted regularly in order to prevent occurrence
of this situation. The adjustment work should be
performed by the dealer from whom the motorcycle was
purchased or by the appointed maintenance station.
Inspection of spark plug
Spark plug is a very important part of the engine and easy
for checking. You can judge the engine running state
through ceramic magnet and electrode of the spark
plug. Under normal service state, the white ceramic
magnet portion around the central electrode of the spark
plug should have the same color. Generally speaking,
for a normal running motorcycle, this portion should
Before installation of a spark
plug, use a feeler gauge to measure
the spark plug clearance. Adjust
the clearance if it doesn't conform
to the specifications.Spark plug
clearance:
0.6-0.8mm(0.236
-0.315in)
Before installation
of the spark plug, clean off the oil stain on the screw thread
of the spark plug.While locking the spark plug, tighten it
with the specified torque force.
Spark plug locking torque force: 17N m(12.51Lb Ft)
Spark plug clearance
be of maple color. In case the color and luster of the spark
plug has much difference,it means that the problem
exists with the combustion state. Do not try to solve
this problem by yourself but have it checked by the
dealer from whom the motorcycle was purchased or
at the appointed maintenance station.You must conduct
periodical checks of the spark plug. Because heat and
deposit will slowly lower the spark plug functions and
cause corrosion. In case the spark plug has got serious
corrosion or excessive carbon deposition and other
deposits, it should be replaced immediately with a
proper one.
Standard spark plug: P-RZ9HC(champion)/C7HSA
(NGK)
USER'S MANUAL
22
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